(19)

(11)

EP 0 729 594 A1

(12)

(43) Date of publication: 04.09.1996 Bulletin 1996/36 (21) Application number: 95900555.0 (22) Date of filing: 10.11.1994

(51) International Patent Classification (IPC):  G02B 6/ 28( . ) (86) International application number: PCT/AU1994/000693 (87) International publication number: WO 1995/013554 (18.05.1995 Gazette 1995/21)

(84) Designated Contracting States: DE FR GB IT (30) Priority: 10.11.1993 AU 1993PM02330 (71) Applicant: AOFR Pty Limited Fyshwick, ACT 2609 (AU)	(72) Inventors: ELIAS, Martin, Charles O'Connor, ACT 2601 (AU) JOHNSTON, Scott Anthony, 110 Kingston Park Apts. Kingston, ACT 2604 (AU) HESLING, Mark, Ronald Glen Waverley, VIC 3150 (AU) (74) Representative: Pawlyn, Anthony Neil  Urquhart-Dykes & Lord, Tower House, Merrion Way Leeds, West Yorkshire LS2 8PA Leeds, West Yorkshire LS2 8PA (GB)